NASCAR Sprint Cup Series Pit Stall Selections

Daytona International SpeedwayBudweiser Duel 150's

(NASCAR Statistics)

How are pit stall's chosen? by qualifying results, the 1st choose their stall and so on.
If a car/driver has to go to the rear of the field before the start of the race due to driver change, backup car,
engine/transmission change, etc they do NOT lose their pit stall selection